Family Hummingbirds (Trochilidae)

Least Concern

Puerto Rican Emerald (Chlorostilbon maugaeus)


French: Émeraude de Porto Rico German: Puerto-Rico-Smaragdkolibri Spanish: Esmeralda puertorriqueña

Trochilus Maugæus

Audebert and Vieillot

, 1801,

Puerto Rico


Considered to be closely related to C. ricordii and C. swainsonii, the three formerly separated in genus Riccordia. Monotypic.


Puerto Rico.

Descriptive notes

Male 8·5–9·5 cm, female 7·5–8·5 cm; 3·4–3·8 g. Male has short straight bill, upper mandible dull black, lower red... read more


Presumed song a repeated twittering phrase of high-pitched descending notes followed by a series of... read more


Coastal mangroves to forested mountain summits. Open forest, woodland and coffee plantations, from... read more

Food and feeding

Feeds on nectar of a wide spectrum of flowers, including Hohenbergia portorricensis, Vriesea sintenisii, Dilomilis... read more


Feb–May, but irregular nesting all year round. The nest, a compact structure in the form of a small cup, is composed of dry plant... read more



Status and conservation

Not globally threatened. CITES II. Restricted-range species: present in Puerto Rico and the Virgin Islands EBA. Readily accepts man-made habitats like plantations, gardens... read more

Recommended citation

Bündgen, R. & Boesman, P. (2019). Puerto Rican Emerald (Chlorostilbon maugaeus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 21 May 2019).